Mahsulot tavsifi
This book covers the preservation of dry water resources, including pollution sources and prevention methods. It also discusses the ecological monitoring of rivers and streams, as well as conservation of groundwater
#ekologiya#oldini olish choralar#quruqlik suvlari
Muallif
Nazar RayaTasdiqlangan muallif
- Hujjatlari
- 10 184
- Sotilgan
- 632
